Home / 146,187.51-201,683.19-91,716.60

Finding the Fourth Proportional to 146,187.51, 201,683.19 and 91,716.60

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Solution

The fourth proportional to 146,187.51, 201,683.19 and 91,716.60 is: 126,534.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,187.51 : 201,683.19 = 91,716.60 : x
  2. Step 2: Convert to fraction form
    146,187.51/201,683.19 = 91,716.60/x
  3. Step 3: Cross multiply
    146,187.51x = 201,683.19 × 91,716.60
  4. Step 4: Simplify right side
    146,187.51x = 18,497,696,463.95
  5. Step 5: Solve for x
    x = 18,497,696,463.95/146,187.51
  6. Step 6: Final answer
    x = 126,534.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.